Climatological Report (Daily)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
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CDUS45 KRIW 130045
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT WED AUG 12 2026
...................................
...THE RIVERTON WY CLIMATE SUMMARY FOR AUGUST 12 2026...
VALID TODAY AS OF 0600 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1995 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 77 MM 97 1996 87 -10 89
2007
2018
MINIMUM 64 MM 47 2016 55 9 53
AVERAGE 71 71 0 71
PRECIPITATION (IN)
TODAY 0.01 0.46 2017 0.01 0.00 0.00
MONTH TO DATE 0.01 0.17 -0.16 T
SINCE JUN 1 0.87 1.65 -0.78 1.21
SINCE JAN 1 2.30 6.11 -3.81 5.73
SNOWFALL (IN)
TODAY MM 0.0
MONTH TO DATE 0.0 0.0
SINCE JUN 1 0.0 0.0
SINCE JUL 1 0.0 0.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 2 0 2 2
SINCE JUN 1 72 125 -53 80
SINCE JUL 1 2 10 -8 2
COOLING
TODAY 6 6 0 6
MONTH TO DATE 127 87 40 77
SINCE JUN 1 567 378 189 462
SINCE JAN 1 590 386 204 468
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 10.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 49
LOWEST 22
AVERAGE 36
..........................................................
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 98 2007
MINIMUM TEMPERATURE (F) 55 43 2002
SUNRISE AND SUNSET
AUGUST 12 2026........SUNRISE 6:17 AM MDT SUNSET 8:20 PM MDT
AUGUST 13 2026........SUNRISE 6:18 AM MDT SUNSET 8:19 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$